Reference : Got Error "Exception: oracle.apps.fnd.common.AppsException: oracle.apps.fnd.common.PoolException: Exception creating new Poolable object" When Login EBS (Doc ID 1485112.1)
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Thanks & Regards
1. $ cd $IAS_ORACLE_HOME/Apache/Jserv/etc/
$ls -ltr jserv.properties
2. comment below line
3.Bounce Apache and try to access login page
Thanks to everyone. its working now.